查询词典 electromagnetic

In order to confront with the increasingly complicated electromagnetic environments and adapt to the development necessary of the integrative electronic warfare,this paper studies the integrative reconnaissance technology for radar and communication signals from single-platform,analyzes the characteristics of radar and communication signals in detail from the different aspects of the electromagnetic frequency band,function,power,signal waveform and modulation mode,researches some key technologies to realize the integrative reconnaissance for radar and communication signals,such as integrative microwave front technology,digital receiver technology,digital signal processing and modularity technology,especially analyzes and researches the integrative signal sorting and identification technology deeply.

为对抗日益复杂的电磁环境，适应一体化综合电子战发展的需要，对单平台雷达/通信侦察一体化技术进行了研究。从电磁频段、功能、功率、信号波形及调制方式等不同角度，详细地分析了雷达与通信信号的特点；对实现雷达/通信侦察一体化的一体化微波前端技术、一体化数字接收机技术、一体化数字信号处理技术、模块化技术等关键技术进行了研究，尤其是对一体化信号分选、识别技术进行了深入的分析研究。

Electromagnetic controlling molten metal is one of most important key technique of electromagnetic processing of materials.

对高速连铸中的金属熔体进行电磁控制是电磁连铸过程的关键技术之一。

Various vectors have also their different linear properties, for example: position, velocity, force, electromagnetic potential etc., are 1-linear; moment of momentum, moment of force, electromagnetic intensity, etc., are 2- linear.

各种矢量还有它们不同的线性，例如：位置、速度、力、电磁势等等，是1-线的。动量矩、力矩、电磁场强度等等，是2-线的，2-线矢又是两个不同1-线矢的叉乘积。

SP. transient electromagnetic method: An electromagnetic method in which the waveform of the transmitted signal is a pulse, step function, ramp, or other form which can be considered to be nonperiodic and in which measurements are made after the primary field has stopped changing.

瞬变电磁法：一种电磁勘探方法，其中发射信号的波形是一个脉冲，阶跃函数，斜升函数或其它可认为是非周期的信号形式，且测量是在一次场停止变化后进行的。

About problem of computer screen electromagnetic wave, although computer screen place is given off electromagnetic wave is very faint, but still have a few potential effects to oosperm.

关于电脑屏幕电磁波问题，虽然电脑屏幕所放出的电磁波很微弱，但是对于受精卵仍有一些潜在的影响。

In oosperm firm germinate when, the duplicate process drag in that wait goes to cell, gene, protein voltaic flow, there already was a report to show at present in medical literature, minim electromagnetic wave can change calcic ion to carry the rate of cellular film really, send the initial stage of Yo in embryo so, expose may cause abnormal segmentation in electromagnetic wave, produce the phenomenon of duplicate mistake even.

在受精卵刚开始发育的时候，细胞、基因、蛋白质等的复制过程牵涉到电流的流动，医学文献中目前已有报道显示，微量电磁波确实会改变钙离子通过细胞膜的速率，所以在胚胎发育的初期，暴露于电磁波中可能会引起不正常的细胞分裂，甚至产生复制错误的现象。

Summary In this paper, a brief history review of works on the theory of electromagnetic flowmeters is given. A method named'Alternative iteraction method for approaching real boundaries'is presented to solve Laplace's equation with mixed boundary conditions in electromagnetic flowmeters. The orthogonal expansion is used to analyze weight vectors and flow distribition effects on the sensitivity of the flowmeters.

本文在总结和分析了前人在电磁流量计变送器方面的理论研究成果后，首次提出了"交替迭代逼近边界"的方法求解电磁流量计理论研究中遇到的Laplace方程的混合边界条件问题；采用正交函数展开的方法研究权函数以及被测流体速度分布不规则对仪表输出的影响；采用保角变换的方法首次求解出电磁流量计偏心环域上的权函数。

Construction of a new instrument, a polarimeter, attached to the telescope is designed to detect the electromagnetic radiation frequency of these gravity waves, found at submillimeter wavelengths, between microwaves and the infrared on the electromagnetic spectrum.

建造一个新的工具，旋光，附加到望远镜的目的是检测电磁辐射频率的这些重力波，发现在亚波长之间的微波和红外电磁波谱。

Using the finitedifference timedomain electromagnetic method and c language program in the matlab software,the spatial electromagnetic field distribution radiation of photoconductive dipole antenna is calculated and displayed on the computer in a pseudocolor graph.

研究了光电导天线产生太赫兹波的辐射特性，利用麦克斯韦方程及其边界条件，计算了近远场的电场强度；采用电磁波时域有限差分方法，在Matlab系统软件中，用C语言编写程序计算光电导偶极天线的辐射太赫兹波的空间电磁场分布，并在计算机上以伪彩色图形显示，这种电磁场的可视化结果为天线的设计和改进提供了直观的物理依据。

The on-line density measurement technology with microwave has been narrated as a key part. We has deduced relations between permittivity、the load Q-factor and resonant frequency. And the electromagnetic field for closed cavity 、open cavity has been analyzed. we also discuss the design of cavity that is used in experiment、means for how to stir electromagnetic wave and choice of diameter/length ratio for cavity.

接着重点说明了微波在线密度测量原理，基于麦克斯韦方程组深入推导了微扰情况下介电常数与谐振频率，有载品质因数的关系；分别讨论了封闭谐振腔和开孔谐振腔中的电磁场以及微扰方法中所使用的谐振腔的设计及设计中激励方式、腔长/半径的选择等若干关键问题。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。